/**
 * Copyright (C) 2011 Eric Huang
 *
 * This file is part of rectpack.
 *
 * rectpack is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * rectpack is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with rectpack. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef EMPTYCORNER_H
#define EMPTYCORNER_H

#include "ICoords.h"
#include "Integer.h"

class Component;

class EmptyCorner {
 public:

  friend std::ostream& operator<<(std::ostream& os, const EmptyCorner& ec);

  enum Corner {
    UpperLeft = 0,
    LowerLeft = 1,
    LowerRight = 2,
    UpperRight = 3
  };

  EmptyCorner();
  ~EmptyCorner();
  EmptyCorner(Int x, Int y, Corner nType);
  void set(Int x, Int y, Corner nType);
  void constrainHeight(const UInt& nWidth, UInt& nHeight,
		       const Component* p) const;
  ICoords m_Location;
  Corner m_nType;
};

std::ostream& operator<<(std::ostream& os, const EmptyCorner& ec);

#endif // EMPTYCORNER_H
